Vardekloft Upper beds: Early/Lower Jurassic, Greenland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Peltaspermopsida
- Peltaspermales
- Umkomasiaceae
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Stenopteris dinosaurensis
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| replaced by Rhaphidopteris | |||||||
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unclassified
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Lycostrobus scotti
Nathorst 1908
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Sphenopsida
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Lobatannularia carcinoides
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Ginkgoopsida
- Caytoniales
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Amphorispermum major
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Ginkgoopsida
- Caytoniales
- Caytoniaceae
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Sagenopteris nilssoniana
(Brongniart 1825)
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Ginkgoopsida
- Ginkgoales
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Sphenobaiera spectabilis
Nathorst 1936
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Ginkgoopsida
- Czekanowskiales
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Czekanowskia hartzi
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unclassified
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Ginkgoites hermelini
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Bennettitales
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Pterophyllum subaequale
Hartz 1896
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unclassified
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Ourostrobus nathorsti
Harris 1935
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Polypodiopsida
- Osmundaceae
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Acrostichites goeppertianus
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Todites princeps
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Polypodiopsida
- Polypodiaceae
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Clathropteris meniscoides
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Polypodiopsida
- Gleicheniaceae
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Gleichenites nitida
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Polypodiopsida
- Gleicheniales
- Matoniaceae
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Phlebopteris muensteri
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Polypodiopsida
- Gleicheniales
- Dipteridaceae
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Dictyophyllum nilssoni
(Brongniart 1836)
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Thaumatopteris brauniana
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Polypodiopsida
- Equisetales
- Equisetaceae
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Equisetites muensteri
Sternberg 1833
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| recombined as Equisetum muensteri | |||||||
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Equisetites sarrani
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Pteridopsida
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Triletes areolatus
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| see common names | |||||||
Geography
| Country: | Greenland |
| Coordinates: | 70.5° North, 22.6° West (view map) |
| Paleocoordinates: | 52.1° North, 5.2° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| 10 m.y. bin: | Jurassic 1-3 | ||
| *Period: | Late/Upper Triassic - Early/Lower Jurassic | ||
| Key time interval: | Early/Lower Jurassic | Zone: | Thaumopteris |
| Age range of interval: | 201.40000 - 174.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Cape Stewart | ||||
| Local section: | Vardekloft | Local bed: | Upper beds | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 15-25 m below top of plant bearing sequence in Cape Stewart Formation | |||||
Lithology and environment
| Primary lithology: | yellow sandstone |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Lithology description: lagoonal facies formed by disused parts of river channels where much finer sediments were deposited | |
| Environment: | deltaic indet. |
Taphonomy
| Modes of preservation: | adpression |
| Size of fossils: | macrofossils,microfossils |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | bulk,selective quarrying,surface (in situ),mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | Thaumatopteris Zone | ||
| Database number: | 23959 | ||
| Authorizer: | A. Rees | Enterer: | D. Sunderlin |
| Modifier: | J. Alroy | Research group: | paleobotany |
| Created: | 2002-07-24 09:44:25 | Last modified: | 2005-12-13 13:20:55 |
| Access level: | group members | Released: | 2002-07-24 09:44:25 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6704. | PGAP | T. M. Harris. 1937. Stratigraphic relations of the plant beds. The Fossil Flora of Scoresby Sound, East Greenland [A. Rees/D. Sunderlin/D. Sunderlin] |